Where does “Tamāra” come from?

Tamāra (Latvian) comes from Hebrew תמר, from Aramaic תמרא — eyelid; dates; date palms.

Ancestry of “Tamāra”, step by step

Step	Language	Word	Meaning
1	Hebrew	תמר	date; date palm, palm tree in general
2	Aramaic	תמרא	eyelid; dates; date palms

Tamāra — Etymology, Origin & Word History | Etymology Explorer